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Information furnished by Western Digital Corporation is believed to be accurate and reliable. However, no responsibility is assumed by Western Digital Corporation for its use; nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Western Digital Corporation. Western Digital Corporation reserves the right to change specifications at any time without notice. COPYRIGHT 1989 WESTERN DIGITAL CORPORATION ALL RIGHTS RESERVED Trademarks used in this text: IBM and AT are registered trademarks of International Business Machines Corporation. MS-DOS is a registered trademark of Microsoft Corporation. Conner is a registered trademark of Conner Peripherals, Incorporated. WD93024-A WD93044-A WD95024-A WD95044-A USER'S GUIDE ========================================================================== Chapter 1 - Introduction ========================================================================== This chapter provides a product overview and discusses system requirements, necessary supplies for installation, and proper unpacking procedures. *************************************************************************** Product Description *************************************************************************** Western Digital's intelligent drives, WD93024-A and WD93044-A, have an average seek time of 28 milliseconds and operate in high speed, AT- compatible systems (80286, 80386SX, and 80386). They are fully compatible with the AT Task File and maintain a 1:1 interleave on large multi-block transfers. Your intelligent drive is preformatted (low-level) and defect- free. A translation feature provides support for logical drive types in systems that do not recognize 27 sectors per track. The WD93024-A and WD93044-A support dual (master/slave) configurations of intelligent drives. Models WD93024-A and WD93044-A offer 20 and 40 megabytes of storage, respectively, in a 3.5-inch form factor. These intelligent drives are also available in 5.25-inch frames (WD95024-A and WD95044-A). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3.5 Inch 5.25 Inch Capacity Form Factor Form Factor %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 20 MBytes WD93024-A WD95024-A 40 MBytes WD93044-A WD95044-A Bezel (face plate) and LED indicator options are available. Contact your Western Digital dealer for the part number required for your configuration. *************************************************************************** System Requirements *************************************************************************** - You can use your intelligent drive in an IBM PC/AT or compatible system that has Disk Operating System (DOS) version 3.0 or later. Contact your Western Digital dealer if you need information about other operating systems. - If there is not a compatible 40-pin connector on the motherboard for interfacing with Western Digital's intelligent drive, you require an adapter card such as those available from Western Digital. The hard drive interface and the floppy controller on these boards each support two daisy chained peripherals. Other system considerations will influence your choice of adapter card. Determine whether you require a floppy controller or serial/parallel ports. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% MODEL DESCRIPTION %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% WDAT-140 Provides one hard drive interface WDAT-240 Provides one hard drive interface and one floppy drive controller WDAT-440 Provides one hard drive interface, one floppy controller, two serial ports, and one parallel port %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% - Make certain your system provides an adequate method of supplying power to your drive. Dual installations may require a Y-adapter if your system only provides one power connector. - Western Digital's intelligent drive is compatible with other intelligent drives that support a master/slave configuration. (Master/slave configurations require one drive to be configured as the primary drive and the other drive to be configured as the secondary drive.) ST-506 hard drives using a standard AT controller are not compatible. *************************************************************************** Gather Supplies *************************************************************************** Verify that you have the following items: - Your Western Digital intelligent drive - This installation guide - Your operating system manuals and operating system diskettes - Screwdriver and four 6-32 screws (3/16 inch) for mounting to the chassis or slide rails, if required. Slide rails are provided by your computer manufacturer or dealer. - One 40-pin interface cable Pin 20 position should be keyed (small plug placed in female connector) at both ends of the cable to prevent accidental reversal of the cable and thus damage to the drive. The cable must be of the "untwisted" type and not more than 12 inches long. If your installation requires a longer cable, you may use a maximum cable length of 18 inches, provided that you split the cable at pins 31/32 along the entire length of the cable. This minimizes the introduction of noise from the host system into the I/O channel. Noise may cause erratic operation of the host system. A daisy- chain cable is required for dual installations. Optional supplies, depending upon your particular installation: - Bezel (face plate) and LED - Y-adapter for internal power connection - Adapter card *************************************************************************** Unpacking Your Intelligent Drive *************************************************************************** Examine the shipping container for obvious signs of shipping damage (holes, crushed corners, etc.). Notify the carrier and your Western Digital dealer if shipping damage has occurred. Western Digital products are engineered to withstand normal handling when installed according to the following instructions. Care must be taken to avoid excessive mechanical shock or static electrical discharge that can permanently damage the intelligent drive and void the warranty. When the drive is not in its shipping container or installed in its proper host enclosure, it must be placed on an antistatic surface. We recommend that you not unpack your drive until you are ready to install it. Handle the drive only by holding the metal chassis of the the assembly. Do not touch circuit board components. Do not remove the protective guard covering the stepper motor shaft. Failure to observe these restrictions will void your warranty. *************************************************************************** Related Documentation *************************************************************************** Western Digital offers a Technical Reference manual for the WD93024-A and WD93044-A. The Technical Reference manual is intended for those users who require more detailed information. The manual provides complete specifications and a discussion of principles of operation, host interface, and the command sets. Appendix D of this manual provides configuration and installation instructions for WDAT adapter boards. Western Digital offers a separate, more detailed installation manual for the WDAT-140, WDAT-240, and WDAT- 440. Contact your Western Digital dealer if you wish to obtain a copy of the WD93024-A/44-A Technical Reference Manual (Part Number 79-000390) or the WDAT Adapters Installation Manual (Part Number 79-000456). ========================================================================== Chapter 2 - Installation ========================================================================== This chapter explains how to install your intelligent drive in an IBM PC- AT or compatible system. You may need to occasionally refer to your system manuals. Figure 2-1 is a bottom view of the intelligent drive. Locate the drive's connectors (J1, J2 and J8). Figure 2-2 illustrates and defines the connectors and jumper settings. *************************************************************************** Single and Dual (Master/Slave) Installations *************************************************************************** The installation procedures describe a single or dual installation. An intelligent drive is compatible with other intelligent drives that support a master/slave configuration. ST-506 hard drives using a standard AT controller are NOT compatible. If you are installing an intelligent drive and a WDAT adapter board in an IBM PC AT that currently has an original Conner CP342 or CP3022 drive, you will discover that these drives are incompatible. Only one drive can be functional, depending upon the jumper configuration of the WDAT adapter board. This restriction does not apply to AT compatible systems. See Appendix D. The following steps describe the physical installation of the drive in a front panel slot. :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: WARNING :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: To avoid electrical shock, make sure that all power to your computer is off and the power cord is disconnected from the electrical source. 1. Before you remove any cables, note their location (for easy reassembly). Remove the power cord from the computer. 2. Remove the cover of the computer according to the instructions in your Owner's Manual. 3. Identify the interface connector (J2) and the power connector (J1) on the drive assembly. J8 is the configuration block. The proper orientation for the drive is with the printed circuit board facing down. *************************************************************************** Jumper Configuration *************************************************************************** 4. Verify that the jumper shunts on the drive's J8 jumper block are properly installed to match your configuration choices. Single Installation: If this is your first and only intelligent drive in your system their should be no jumpers installed on J8. Dual Installation: If you are installing two intelligent drives, you must designate one of them as the primary or "master" and the other as the secondary or "slave". Jumper your Western Digital intelligent drive accordingly: A jumper on pins 3-4 designates an intelligent drive as a slave; a jumper on pins 5-6 designates an intelligent drive as a master. Installation with a pre-existing Conner CP342 or CP3022 drive: Configure the Western Digital drive as the slave. Install jumpers on the drive's J8 jumper block as shown below. The Conner drive should be configured as the master. This configuration presumes that you will use the LED indicator on your WD93024-A or WD93044-A. However, if the host system requires a front panel LED, then configure the WD93024-A/44-A as the master and the Conner drive as the slave. *************************************************************************** Mounting and Cabling *************************************************************************** 5. Connect the host interface cable to the drive's J2 connector and thread the cable through the front panel slot. :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: WARNING :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: Damage to the intelligent drive may occur if the interface cable is attached incorrectly. To prevent an incorrect connection, make certain you are using an interface cable which has been keyed at both the drive and host ends. (This pin has been removed from J2. The female connector on the interface cable will have a plug in position 20 to prevent incorrect connection.) 6. Carefully slide the drive into the appropriate front panel slot with the printed circuit board facing down. You may need to attach slide rails to the drive assembly. If so, these are provided by your computer manufacturer. Dual Installation: For dual installations it is usually easier to completely install one drive in the lower position first. The order of the drives is unimportant, but one must be jumpered to identify it as the master. The other must be jumpered as the slave. - Complete the following installation steps for the first intelligent drive through Step 7. - Then, install the second intelligent drive by repeating Steps 4, 6, and 7. The drives can then be daisy-chained together. Installation with a pre-existing Conner drive: Configure the drives as indicated in Step 4 and mount the Western Digital drive as described in steps 6 and 7. 7. Mount the drive to the chassis using four 6-32 (3/16 inch) screws or attach slide rails and mount. If your drive installation requires the use of slide rails or other mounting device, your computer manufacturer or dealer will provide these. Typically, 5.25-inch drives use slide rails. After securely mounting the drive, verify that nothing interferes with the free movement of the shock mounts. :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: WARNING :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: The only electrical ground contact should be from the mounting bracket to the frame on the host system. Do not ground to the casting of the intelligent drive. Screws which are too long will cause a ground loop to the drive and defeat the shock mounting or possibly damage board components. The screw should engage no more than six threads (3/16 inch). Dual Installation: Repeat Steps 4, 6, and 7 for the second drive. Daisy- chain the intelligent drives together. 8. Plug the host interface cable from the drive into the 40-pin hard drive connector on the motherboard. This connector is specifically designed for interfacing with an intelligent drive. If there is not a compatible 40-pin connector on your system's motherboard, you need to install an adapter card. Appendix D provides configuration and installation information for the WDAT-140, WDAT-240, and WDAT-440 adapter boards. 9. Connect the internal power connector to the drive's J1 connector. Dual installations: If you do not have two internal power connectors, you require a Y-adapter to provide power to both units. 10. Replace the system cover. Make sure that cables are out of the way and not caught between the cover and boards. Check that the cables do not obstruct the air flow path from the fan or vents. 11. Reattach all cables and the power cord to the back panel of the system. The hardware installation is now complete. 12. Turn on the power to your computer and follow the instructions in Chapter 3, System Setup. ========================================================================== Chapter 3 - System Setup ========================================================================== This chapter tells you how to define your system once the hardware installation is complete. You need to perform these steps: - Follow your system's setup procedures and select an appropriate drive table - Partition and high-level format your drive - Boot your system from the active DOS partition *************************************************************************** Initial Setup *************************************************************************** Your Setup utility performs numerous tasks that are essential to the definition of your system. Whether this is an initial setup or a change to your existing system, you need to run the Setup utility to tell the system what types of hardware are installed. Follow the setup instructions in your operating system manual (MS-DOS or other operating system), system BIOS manual, Advanced Diagnostics Guide or whatever means your system uses to perform an initial setup. If later you experience problems with any hardware device, be sure to check your system setup. You may have incorrectly defined a device or not identified it at all. When you are performing set-up, one of the tasks you perform is the selection of an appropriate drive table. Your Setup utility and/or computer documentation provides information about the drive types your system supports. If you are unable to determine what these drive types are, call your computer manufacturer. Follow the recommendations in the next section. *************************************************************************** Selecting Drive Tables *************************************************************************** Your system's BIOS contains standard drive tables. While the first 15 drive type tables are fairly standard for most computer brands, parameter tables for other drive types vary from one computer manufacturer to another. To ensure the optimal performance of your intelligent drive, select a drive table whose parameters most closely match those of your Western Digital drive. Table 3-1 lists the parameters for your drive: either 20 or 40 MBytes; translate or physical mode. If your system recognizes 27 sectors per track, you should use tables which match the "physical mode" tables. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 20 MByte Drive 40 MByte Drive %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% (Physical Mode) (Physical Mode) 782 Cylinders 782 Cylinders 2 Heads 4 Heads 27 Sectors 27 Sectors Precomp (Not Used) Precomp (Not Used) Landing Zone=862 Landing Zone=862 (Translate Mode) (Translate Mode) 615 Cylinders 977 Cylinders 4 Heads 5 Heads 17 Sectors 17 Sectors Precomp (Not Used) Precomp (Not Used) Landing Zone=615 Landing Zone=977 The physical mode presents the peripheral's actual physical parameters. If your system only recognizes 17 sectors per track, use the translate mode tables. *************************************************************************** Physical Mode *************************************************************************** Select a standard drive table which most closely matches the recommended physical mode table listed for your intelligent drive (20 MByte or 40 MByte). Do not exceed any of the parameters listed for your drive. Exceeding 27 sectors per track will result in an ID NOT FOUND error. If your system's BIOS provides an option which allows you to enter drive tables, enter the physical parameters shown in Table 3-1. Select two heads for a 20 MByte drive; four heads for a 40 MByte drive. *************************************************************************** Translate Mode *************************************************************************** Select a standard drive table which most closely matches the recommended translate mode table listed for your intelligent drive (20 MByte or 40 MByte). Typically, Drive Type 2 is selected for a 20 MByte drive and Drive Type 17 is selected for a 40 MByte drive. Choose a table which has the same number of heads as recommended in the translate mode section of Table 3-1. Do not select a drive table whose cylinder or sector parameters are greater than those listed. *************************************************************************** Formatting *************************************************************************** You do not need to perform a low-level format. Western Digital's intelligent drive has already been preformatted at the factory. However, if you ever find it necessary to perform the low-level format again, contact your Western Digital dealer. Western Digital offers a format utility, ISPFMT, which allows you to perform a low-level format on Western Digital's intelligent drive. Do not use any other low-level formatting utility. Refer to Appendix C if your would like instructions on how to download this utility from Western Digital's Technical Support Bulletin Board. Before you can use your drive, you must perform the high-level formatting routines. Use the FDISK and FORMAT utilities provided by MS-DOS (or their equivalent if you are using a different operating system). Refer to your DOS manual for complete information about the use of these utilities. 1. Insert your DOS system diskette in Drive A. Reboot the system by simultaneously pressing the CTRL ALT DEL keys. At the A>> prompt, execute the DOS FDISK utility by typing: FDISK [Enter] This utility allows you to partition your drive. Follow the instructions in your DOS manual. Dual Installation: Older versions of MS-DOS (3.2 or earlier) only allow one partition per physical drive. The maximum size of a partition is 33.5 MBytes. If you are using a different MS-DOS version or other operating system, verify if this limitation applies to your situation. 2. Load and execute DOS FORMAT utility. This utility formats the drive to accept DOS files and copies the operating system to the drive. Following are the typical commands used for formatting a single drive (first and only drive in your system) with more than one partition. Please read the instructions in your DOS manual. ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: WARNING ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: If you have a pre-existing drive containing valuable files, back up its files in case you inadvertently format it. Be certain to properly identify the logical drive to be formatted. A particular drive's designation letter (C:, D:, etc.) depends upon the operating system used, the number of physical drives in the system, the number of partitions, and whether it is configured as a master or a slave. At the A>> prompt type: FORMAT C:/S [Enter] The "/S" variable installs the operating system on the C: drive. If you have partitioned your hard disk drive into more than one partition, you must format each logical drive. After you format drive C, format the next partition. At the A>> prompt type: FORMAT D: [Enter] Repeat this procedure with all other partitions, substituting the identifying letter in the FORMAT command. *************************************************************************** Booting your system *************************************************************************** After you have completed the hardware installation and properly formatted your drive, you are ready to use your system. With your operating system installed on your intelligent drive, you can now boot your system from your active DOS partition. Remember to remove any diskettes from Drive A or your system will default to Drive A when you reboot. Simultaneously press the CTRL ALT DEL keys to reboot the system. The system should respond and your monitor should display the C prompt (C:\). A second physical drive or partition is identified as the D drive. Please read Chapter 4, Maintenance, for our recommendations on proper use and care of your intelligent drive. If you have problems with your intelligent drive, read Chapter 5, Troubleshooting. When you finish a session on your computer, remember to "park" the heads of your intelligent drive. This helps protect the heads and media from accidental vibration or shock. See Chapter 4. ========================================================================== Chapter 4 - Maintenance Precautions ========================================================================== This chapter lists some simple maintenance precautions. - Do not attempt to open the sealed compartment of the intelligent drive as this will void the warranty and contaminate the media. - Do not lift the intelligent drive by the bezel or the printed circuit board. - Avoid static discharge when handling the intelligent drive. - Avoid harsh shocks or vibrations. - Do not touch the components on the printed circuit board. - Do not remove the protective guard which covers the stepper motor and rotate the stepper motor shaft. - Observe the environmental limits specified for this product as listed in Appendix A. - If it becomes necessary to move your computer system, first park the heads. Parking the heads moves the heads to a safe, non-data landing zone. This helps protect the media and the heads from accidental damage due to vibration, moving or shipping. Consult your DOS manual. If your version of DOS does not provide a head parking command, there are a number of utility programs that can provide this feature. Western Digital offers a parking routine called PARKIDE. See Appendix C for instructions on how to download this utility from Western Digital's Technical Support Bulletin Board. - Back up your data regularly. Western Digital assumes no responsibility for loss of data. For information about back-up and restore procedures, consult the DOS manual that accompanies your computer. There are also a number of utility programs that you can use to back up your data. If you require technical support, contact your authorized Western Digital dealer. ========================================================================== Chapter 5 - Troubleshooting ========================================================================== This chapter lists tips and procedures to help you determine the cause of a problem. - If you have a problem with your intelligent drive, first re-read the installation instructions to be sure you followed them correctly. It is important to type information exactly as instructed. - Verify that you have correctly followed the setup procedures for your system. - Verify that you have properly formatted and partitioned the intelligent drive with DOS FDISK and FORMAT (or equivalent utilities). - Check your physical installation: - Jumper selections on the drive - Correct cabling - Adapter card (if installed), properly seated and configured - System power supply - Controller conflicts - Observe the environmental limits specified for this product. If you are unable to resolve your problem, contact your Western Digital dealer. APPENDIX A - SPECIFICATIONS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Physical Configuration: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 20 MByte Drive 40 MByte Drive Actuator Type Rack and pinion Rack and pinion Disks 1 2 Data Surfaces 2 4 Heads 2 4 Tracks per surface 782 782 Bytes per Sector 512 512 Sectors per Drive 42,228 84,456 Sectors per Track 27 27 Formatted Capacity 21.6 MBytes 43.2 MBytes Interface 40-pin PC/AT 40-pin PC/AT Park Cylinder 862 862 Recording Method RLL 2,7 RLL 2,7 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Performance Specifications: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Average Seek Time 28 Milliseconds Data Transfer Rate Disk to Buffer 7.5 MBits per Second Buffer to Host 4 MBytes per Second Data Throughput 640 KBytes Interleave 1:1 Acoustics 40 dBA typical @ 1 meter 32 dBA @ 1 meter standby Product Design Life 5 years MTBF 40,000 Power-on Hours %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Environmental Specifications: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Ambient Temperature Operating 5 degrees C (39 degrees F) to 50 degrees C (122 degrees F) 10 degrees C/hr. Gradient Non-operating -40 degrees C to 60 degrees C 10 degrees C/hr. Gradient Relative Humidity Operating 8% to 80% non-condensing Non-operating 5% to 95% non-condensing Altitude Operating -1500 to 9,750 Feet Non-operating -1500 to 40,000 Feet Air Flow As required to maintain the temperature of the casting at or below 50 degrees C Shock Operating 5Gs at 11 milliseconds, half sine Non-operating 40Gs at 11 milliseconds, half sine Vibration Operating 5-500 Hz at 1 octave per minute, dwell at resonant frequencies for 30 minutes 5-17 Hz/0.36 inch double amplitude displacement 17-150 Hz/0.55 Gs acceleration 200-500 Hz/0.25 GS acceleration Non-Operating 1G/5-500 Hz at 1 octave per minute, dwell at resonant frequencies for 30 minutes %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Electrical Specifications: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Logic Voltage 5V +/-5%, 0.42 Amps typical, 0.50 Amps maximum Motor Voltage 12V +/-5%, 0.48 Amps typical, 2.0 Amps maximum (spin-up) Power Dissipation 7.4 Watts typical (idle) 9.3 Watts typical (read/write mode) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Physical Specifications: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Form Factor 3.5 Inches Length 5.75 Inches, +/-.02 Width 4.00 Inches, +/-.02 Height 1.625 Inches, +/-.02 Weight 1.8 Pounds Form Factor 5.25 Inches Length 7.50 Inches maximum, +/-.02 Width 5.57 Inches maximum, +/-.007 Height 1.625 Inches maximum, +/-.02 Weight 2.2 Pounds Appendix C - Utilities *************************************************************************** Formatting/Diagnostic Utility *************************************************************************** Western Digital offers a low-level formatting utility called ISPFMT. WD93024-A and WD93044-A are pre-formatted (low-level) and defect-free. However, if you wish to reformat the drive or mark "grown" defects, the ISPFMT utility can be executed by entering "ISPFMT" and following the directions provided by the on-line Help. *************************************************************************** Park Utility *************************************************************************** At the end of each computer session you should park the drive heads. Parking the heads moves the heads to a safe, non-data landing zone. This helps protect the media and the heads from accidental damage due to vibration, moving or shipping. If your operating system does not provide a park routine, Western Digital offers a park utility called PARKIDE. *************************************************************************** Technical Support Bulletin Board *************************************************************************** You may download Western Digital's formatting/diagnostic utility, ISPFMT, and the park utility, PARKIDE, from the Technical Support Bulletin Board if you have a modem. To access the bulletin board you require: - A Hayes-compatible modem - 1200 or 2400 Baud rate - Format: 8 data bits, 1 stop bit, no parity The Bulletin Board number is (714) 756-8176. The Bulletin Board will ask you some preliminary questions about your modem setup and the type of system you are calling from before sending you to the main menu. Refer to your modem manual for instructions on proper modem setup. Once you gain access to the main menu, follow these general steps: - Select <S> for software - Select "Storage" - Select "Utilities" - Specify PARKIDE or ISPFMT - To receive the software program, select <D> and then the transfer protocol. Respond to the prompts for transfer protocol, file name, etc. On screen Help (H) is available if you have any problems. If you need additional assistance, contact Technical Support at (800) 832-4778. Appendix D - WDAT Adapters *************************************************************************** Introduction *************************************************************************** Western Digital manufactures three AT adapter boards for use with intelligent (integrated or embedded) hard disk drives. Many AT systems require an adapter board in order to accommodate these drives. The WD-AT adapter boards all provide an intelligent hard disk interface. The WDAT- 240 and WDAT-440 also provide a floppy controller. The hard drive interface and the floppy controller each support two daisy chained peripherals. A serial and parallel interface is available on the WDAT-440. This appendix provides an abbreviated configuration and installation guide for the WDAT-140, WDAT-240, and WDAT-440 adapter boards. A more comprehensive manual is available from Western Digital. Contact your Western Digital dealer and request the WDAT-140, WDAT-240, WDAT-440 Installation Guide, Part No. 79-000456. *************************************************************************** Gather Supplies *************************************************************************** - Screw driver - Interface cables - 40-pin cable for an intelligent drive (daisy chain cable required for dual hard drive installations) - 34-pin cable for floppy, if installing the WDAT-240 or WDAT-440 (daisy chain cable required for dual installation) - Serial and parallel cables, if installing the WDAT-440 (Optional DB9-to-DB25 cable for 25-pin serial devices) ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: CAUTION ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: Hold the adapter board by the ends. Static electrical discharge can permanently damage components if the board is not carefully handled. *************************************************************************** How to Change Jumpers *************************************************************************** The default jumper settings are suitable for most applications, so carefully read the information about your adapter board before changing any jumper settings. To change a jumper, you need to either add or remove a tiny jumper shunt or bar. The jumper shunts used to select the default values are supplied by Western Digital. You may need to purchase extra jumper shunts, depending on which settings you want to change. The jumper shunts are available at most electrical suppliers. A typical jumper shunt is Berg P/N 76438-101. The jumper shunt shorts together two pins. This is referred to as a "closed" or jumpered configuration. When no jumper is installed, the configuration is "open" and there is no connection between pins. Determine which jumper settings you need to change by consulting the jumper definition tables for your specific WDAT board. The definitions are arranged by jumper blocks. Locate the correct table and then change the setting according to the desired selection listed in the table. The factory installed or default settings are marked by the "@" symbol. ########################################################################### WDAT-140 Adapter Board ########################################################################### *************************************************************************** Jumper Functions (W1) *************************************************************************** The WDAT-140 board contains one jumper block, W1. When pins 3 and 4 are connected, the DIRQ14 signal is passed directly to the host computer. Do not change this setting. This is the correct setting for any intelligent drive except an original Conner CP342 or CP3022 in an IBM AT. You cannot use this adapter board with a pre-existing Conner drive and a Western Digital drive under certain special conditions. If you have an IBM AT and an original Conner CP342 or CP3022, your Conner drive will not function with another intelligent drive in the same AT system. Only one drive will be functional, depending on the W1 jumper configuration. This particular restriction does not apply to AT compatibles. If you have a pre-existing Conner CP342 or CP3022 in an AT compatible system, configure it as the master drive and leave the jumper shunt on pins 3-4 of W1. Configure the Western Digital drive as the slave. ########################################################################### WDAT-240 Adapter Board ########################################################################### The WDAT-240 board has four jumper blocks, W1 to W4. Adding or removing a jumper shunt at any of these locations, defines a hardware configuration. The default jumper settings are illustrated below. These settings are suitable for most system configurations. Do not change any of these settings until you have read the jumper information which follows. *************************************************************************** W1 Jumper *************************************************************************** When pins 3 and 4 are connected, the DIRQ14 signal is passed directly to the host computer. Do not change this setting. This is the correct setting for any intelligent drive except an original Conner CP342 or CP3022 in an IBM AT. You cannot use this adapter card with a pre-existing Conner drive and a Western Digital drive under certain special conditions. If you have an IBM AT and an original Conner CP342 or CP3022, your Conner drive will not function with another intelligent drive in the same AT system. Only one drive will be functional, depending on the W1 jumper configuration. This particular restriction does not apply to AT compatibles. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% TABLE D-1. W2 JUMPER (WDAT-240) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PINS: STATUS: FUNCTION: 1-2 closed@ Floppy controller enabled 3-4 open@ Floppy primary address 3F0-3F7 1-2 closed Floppy controller enabled 3-4 closed Floppy secondary address 370- 377 1-2 open Floppy controller disabled at primary address 3-4 closed * Note: Invalid condition = no jumper installed %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% TABLE D-2. W3 JUMPER (WDAT-240) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PINS: STATUS: FUNCTION: 1-2 closed 2-speed drive (300 & 360 rpm) 1-2 open@ Single-speed drive* * Note: Most floppy drives are single-speed. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% TABLE D-3. W4 JUMPER (WDAT-240) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PINS: STATUS: FUNCTION: 1-2 closed Logic ground connected to chassis 1-2 open@ Logic ground independent of chassis If you have a pre-existing Conner CP342 or CP3022 in an AT compatible system, configure it as the master drive and leave the jumper shunt on pins 3-4 of W1. Configure the Western Digital drive as the slave. ########################################################################### WDAT-440 Adapter Board ########################################################################### The WDAT-440 board has seven jumper blocks, W3 to W9. Adding or removing a jumper shunt at any of these locations, defines a hardware configuration. The default jumper settings are illustrated below. These settings are suitable for most system configurations. Do not change any of these settings until you have read the jumper information which follows. *************************************************************************** W3 Jumper *************************************************************************** When pins 3 and 4 are connected, the DIRQ14 signal is passed directly to the host computer. Do not change this setting. This is the correct setting for any intelligent drive except an original Conner CP342 or CP3022 in an IBM AT. You cannot use this adapter board with a pre-existing Conner drive and a Western Digital drive under certain special conditions. If you have an IBM AT and an original Conner CP342 or CP3022, your Conner drive will not function with another intelligent drive in the same AT system. Only one drive will be functional, depending on the W3 jumper configuration. This particular restriction does not apply to AT compatibles. If you have a pre-existing Conner CP342 or CP3022 in an AT compatible system, configure it as the master drive and leave the jumper shunt on pins 3-4 of W3. Configure the Western Digital drive as the slave. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% TABLE D-4. W4 JUMPER (WDAT-440) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PINS: STATUS: FUNCTION: 1-2 closed@ Floppy controller enabled 3-4 open@ Floppy primary address 3F0-3F7 1-2 open Floppy controller enabled 3-4 closed Floppy secondary address 370- 377 Note: Invalid condition = no jumper installed. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% TABLE D-5. W5 JUMPER (WDAT-440) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PINS: STATUS: FUNCTION: 1-2 closed 2-speed drive 1-2 open@ Single-speed drive* * Note: Most floppy drives are single speed. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% TABLE D-6. W6 JUMPER (WDAT-440) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PINS: STATUS: FUNCTION: 1-2 closed Logic ground connected to chassis 1-2 open@ Logic ground independent of chassis The factory default settings are identified with the "@" symbols. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% TABLE D-7. W7 JUMPER (WDAT-440) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PINS: STATUS: FUNCTION: 1-2 closed PRN INT = IRQ5 3-4 closed@ PRN INT = IRQ7 5-6 closed@ COM2 INT = IRQ3 5-7 closed COM2 INT = IRQ4 6-8 closed COM1 INT = IRQ3 7-8 closed@ COM1 INT = IRQ4 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% TABLE D-8. W8 JUMPER (WDAT-440) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PINS: STATUS: FUNCTION: 1-2 closed@ PRN enable 1-2 open PRN disable 3-4 open@ PRN address, LPTI = 378-37F 3-4 closed PRN address, LPT2 = 278-27F 5-6 closed@ Ext COM = COM1 (3F8-3FF) 7-8 closed Ext COM = COM3 (3E8-3EF) 9-10 closed@ Int COM = COM2 (2F8-2FF) 11-12 closed Int COM = COM4 (2E8-2EF) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% TABLE D-9. W9 JUMPER (WDAT-440) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PINS: STATUS: FUNCTION: 1-2 open Disable intelligent drive interface 1-2 & 3-4 closed@ Enable intelligent drive interface The factory default settings are identified with the "@" symbols. ************************************************************************** Adapter Card Installation ************************************************************************** The following steps assume that you have just installed your hard drive and and other internal devices (floppy drives, modem) and you are now ready to install your adapter board. 1. Connect the interface cable(s) from the intelligent drive(s) and floppy drive(s) as well as any internal serial device to the WDAT adapter board. a. Attach the 40-pin interface cable from the intelligent drive to the hard drive connector on the adapter board. Match pin 1 of the cable connector to pin 1 on the adapter board connector. Pin 1 of the cable connector is marked and is on the color coded edge of the cable. Pin 20 of the hard drive connector on the WDAT board is the key (the connector has pin 20 removed to prevent incorrect connection). Do NOT force the cable and connector. b. Attach the 34-pin connector from the floppy drive to the floppy connector on the adapter board. Match pin 1 of the cable connector to pin 1 on the adapter board. Pin 5 of the floppy connector on the WDAT board is keyed to prevent incorrect connection. Do NOT force the cable and connector. c. If you have a WDAT-440 board and you wish to use the COM2 port (J8 on the WDAT-440), you require a custom cable. If your serial device has a 25-pin serial connector, then you'll need a DB9-to-DB25 adapter cable. 2. Select an empty board expansion slot. Select one that has the same type of connectors as those on the WDAT board. Select a slot as close to the drive(s) as possible. 3. Remove the screw that holds the expansion slot cover, but do not remove the expansion slot cover. Note: If your adapter board has a metal bracket instead of a push clip or if you are installing the WDAT-440, you need to remove the expansion slot cover. Slide the expansion slot cover up, and remove it. Save the expansion slot cover for possible future use. 4. If the push clip is not installed, gently push the clip onto the upper right-hand corner of the adapter board. 5. Hold the WDAT-440 board by the top corners and slide it into the expansion slot. The WDAT's edge connectors fit into the computer's motherboard expansion slot. Press on the board as you insert it into the expansion slot. Check that the board is seated properly by pressing down firmly on both ends of the board. If you are installing the WDAT-440, the parallel and one serial connector should extend outside the computer case. 6. Return to Step 9 and resume the installation procedures for your intelligent drive. LIMITED WARRANTY WESTERN DIGITAL CORPORATION (WDC) expressly warrants, in accordance with the terms described below, that it will either repair or replace this WD Peripheral Product if it proves to be defective in design, material, or workmanship in the course of its normal use, within one (1) year from the Buyer's date of purchase from an authorized WDC dealer. For warranty repair or replacement, the defective Product must be returned within one (1) year to an authorized WDC service center, either in person or by insured mail, packaged in the original container and accompanied by proof of purchase. A repaired or replacement Product shall be warranted as above for the balance of the original product Warranty Period or thirty (30) days, whichever is longest. The normal intended use of the Product is as computer peripheral equipment in accordance with the functional, environmental and operational standards published by WDC or generally accepted in the industry. WDC shall have no obligation with respect to any Product which has been modified or altered , or with respect to lost data or data contained in any Product placed in its possession. WDC's liability to Buyer or anyone claiming through or on behalf of Buyer with respect to any claim or loss arising out of this transaction or alleged to have resulted from an act or omission of WDC shall in no event exceed the purchase price of the Product with respect to which such liability is claimed. IN NO EVENT SHALL WDC BE LIABLE FOR CONSEQUENTIAL DAMAGES, LOSSES, OR EXPENSES ARISING OUT OF THIS TRANSACTION. THE RETURN OF THE PURCHASE PRICE OR THE REPAIR OR REPLACEMENT OF THE PRODUCT SHALL BE THE BUYER'S SOLE REMEDY HEREUNDER. All claims hereunder must be presented to WDC within ninety (90) days following discovery of an alleged defect in the Product. THIS LIMITED WARRANTY IS WDC'S SOLE WARRANTY. WDC MAKES NO OTHER WARRANTY OF ANY KIND WHATSOEVER, EXPRESS OR IMPLIED. 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